<template>
  <div>
    <vxe-grid ref="gridRef" v-bind="gridOptions">
      <template #header_name="{ column }">
        <span v-for="(option, index) in column.filters" :key="index">
          <vxe-input v-model="option.data" style="width: 100%;" clearable @change="changeNameFilter(option)"></vxe-input>
        </span>
      </template>

      <template #header_sex="{ column }">
        <div v-for="(option, index) in column.filters" :key="index">
          <vxe-select v-model="option.data" :options="sexOptions" clearable @change="changeSexFilter(option)"></vxe-select>
        </div>
      </template>
    </vxe-grid>
  </div>
</template>

<script lang="ts">
import Vue from 'vue'
import type { VxeGridInstance, VxeGridProps } from 'vxe-table'

interface RowVO {
  id: number
  name: string
  role: string
  sex: string
  age: number
  address: string
}

export default Vue.extend({
  data () {
    const gridOptions: VxeGridProps<RowVO> = {
      border: true,
      loading: false,
      height: 500,
      filterConfig: {
        showIcon: false
      },
      columns: [
        { type: 'seq', width: 70 },
        {
          title: 'Name',
          children: [
            {
              field: 'name',
              title: 'Name',
              width: 200,
              filters: [
                { data: '' }
              ],
              filterMethod ({ option, row, column }) {
                if (option.data) {
                  return `${row[column.field]}`.indexOf(option.data) > -1
                }
                return true
              },
              slots: {
                header: 'header_name'
              }
            }
          ]
        },
        { field: 'role', title: 'Role' },
        {
          title: 'Sex',
          children: [
            {
              field: 'sex',
              width: 200,
              filters: [
                { data: '' }
              ],
              filterMethod ({ option, row, column }) {
                if (option.data) {
                  return row[column.field] === option.data
                }
                return true
              },
              slots: {
                header: 'header_sex'
              }
            }
          ]
        },
        { field: 'age', title: 'Age' },
        { field: 'address', title: 'Address' }
      ],
      data: [
        { id: 10001, name: 'Test1', role: 'Develop', sex: 'Women', age: 28, address: 'test abc' },
        { id: 10002, name: 'Test2', role: 'Test', sex: 'Man', age: 22, address: 'Guangzhou' },
        { id: 10003, name: 'Test3', role: 'PM', sex: 'Women', age: 32, address: 'Shanghai' },
        { id: 10004, name: 'Test4', role: 'Designer', sex: 'Man', age: 24, address: 'Shanghai' },
        { id: 10005, name: 'Test5', role: 'Develop', sex: 'Women', age: 32, address: 'Shenzhen' },
        { id: 10006, name: 'Test6', role: 'Designer', sex: 'Women', age: 28, address: 'Shanghai' }
      ]
    }

    const sexOptions = [
      { label: 'Women', value: 'Women' },
      { label: 'Man', value: 'Man' }
    ]

    return {
      gridOptions,
      sexOptions
    }
  },
  methods: {
    changeNameFilter (option: any) {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.updateFilterOptionStatus(option, !!option.data)
        $grid.updateData()
      }
    },
    changeSexFilter (option: any) {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.updateFilterOptionStatus(option, !!option.data)
        $grid.updateData()
      }
    }
  }
})
</script>
